code: def global_tmp_dir():
      with tmp_dir() as directory:
          yield directory
  
file_path: m2cgen/tests/conftest.py
imports: import io
  import pickle
  import pytest
  from sklearn.linear_model import LinearRegression
  from tests.utils import get_regression_model_trainer, tmp_dir
label_desc: Use image node_id 3 for calling a global function with example usage: global_tmp_dir() without return types